Amid criticism of America's continued war on drugs, Dr. Kermit Gosnell -- who could have been arrested for murder years earlier if medical oversight agencies had been more vigilant -- was only taken down when he crossed the Drug Enforcement Administration.

Rapper Lil Wayne's seizures and hospitalization highlight a double standard in hustler culture. Crack cocaine and heroin users are considered junkies. Meanwhile codeine "sizzurp" and pills are less stigmatized, but not necessarily any more benign.

Reintroducing patients with PTSD to whatever triggers their symptoms -- gradually, in a clinical setting -- can be effective. Veterans Chris Kyle and Eddie Ray Routh were not at a shooting range as part of exposure therapy.